Tri-Cities Airport PSC / KPSC

Family-owned full-service FBO operating since 1971, providing GA aircraft handling, marshalling, crew cars, a passenger lounge, WiFi, and rental-car/hotel arrangements on the airport's East Ramp. · Weekdays 7am-7pm; weekends 8am-5pm

Menzies lists Tri-Cities (PSC) on its official network page and separately posts Passenger Service Agent openings for this location, confirming a station presence; the specific airline client(s) it serves at PSC were not identified in public sources.

Unifi staffs an Airport Customer Service Agent (AA) role for American Airlines flights at PSC, covering check-in, boarding, baggage, and ramp/aircraft turnaround.

Unifi separately staffs a part-time Airport Customer Service Agent role for United Airlines flights at PSC.

G2 Secure Staff posts Ramp Agent and Passenger Service Agent openings at PSC. G2 is a known ground-handling vendor for Delta Air Lines at other stations nationally, but which specific carrier(s) it services at PSC could not be independently confirmed from the postings themselves.

SkyWest runs its own station at PSC for its Delta Connection and United Express regional flights; employee accounts describe SkyWest station staff performing passenger check-in and ramp/baggage loading, consistent with self-handling rather than a third-party ground handler, though no formal statement to that effect was found.

Horizon Air self-handles Alaska-branded Embraer E175 regional flights at PSC (to Seattle/Tacoma, Portland, and Los Angeles), providing its own passenger-service and ramp staffing; public sources show no Alaska mainline (737) service at this airport.

Full-service Phillips 66 line at this East Ramp FBO offers 100LL avgas and Jet A (including Jet A w/additive), with after-hours call-out fueling available beyond scheduled hours for an additional callout fee. · Daily 7:00 AM-8:30 PM (after-hours call-out available)

Provides Type I and Type IV aircraft de-icing as part of its line service.

Operates an on-field aircraft maintenance shop offering repairs, detailing, and parts sales, alongside flight training and aircraft rental/sales. · Weekdays 8am-5pm

Avionics / instrument shop at Tri-Cities Airport (4110 N Stearman Ave) — bench repair of avionics, instruments, and radio/comm-nav equipment; ADS-B and transponder work. Cited FAA Part 145 repair station certificate IVDR539Y, Limited class rating covering airframe accessory, instrument, and radio service, could not be independently re-verified against the FAA registry.

Aircraft maintenance and rebuild shop at Tri-Cities Airport (3702 Stearman Ave, Pasco) serving private and commercial clients. Claimed jet-and-piston engine shop specialization and Cessna Service Center status could not be independently confirmed and should be treated as unconfirmed; FAA repair station class rating unconfirmed.

Offers catering service to based and transient general-aviation customers as part of its FBO amenities.

Alaska Air Cargo's Pasco/Tri-Cities facility (GoldStreak, priority/general freight, live-animal, dangerous-goods, and freezer/cooler shipments) is operated directly by Horizon Air rather than a third-party cargo handler. · Pickup/drop-off windows Sun-Fri (4 slots/day, roughly 8:13-9:13am, 11:51am-12:51pm, 1:35-2:35pm, 4:52-5:52pm) and Sat (2 slots plus an extra drop-off window); storage fees assessed after 72 hours, excluding weekends/holidays

Empire Airlines operates as a FedEx Feeder carrier, flying ATR-42/72 and Cessna Caravan aircraft daily between Spokane (GEG) and Pasco; the on-field FedEx facility processes roughly 40,000 lb of inbound cargo daily. No third-party ground handling contract for this feeder operation was identified in public sources, consistent with Empire self-handling its own station.

FlightAware flight-history records confirm Ameriflight operating recurring scheduled feeder flights between Pasco (PSC) and Spokane (GEG), and between PSC and Walla Walla (ALW), across multiple years (2021-2025); Ameriflight's fleet used on such feeder routes includes Beechcraft 1900, Embraer EMB-120, and Cessna Caravan types. As a small dedicated feeder operator, no third-party ground handling contract at PSC was identified in public sources.